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FDTD simulation for plasma photonic crystals

Yuan Nai-Chang Liu Shao-Bin Zhu Chuan-Xi

FDTD simulation for plasma photonic crystals

Yuan Nai-Chang, Liu Shao-Bin, Zhu Chuan-Xi
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Publishing process
  • Received Date:  31 August 2004
  • Accepted Date:  02 October 2004
  • Published Online:  05 March 2005

FDTD simulation for plasma photonic crystals

  • 1. (1)国防科技大学电子科学与工程学院,长沙 410073; (2)南昌大学理学院,南昌 330047

Abstract: Plasma photonic crystals are artificially periodic structures, which are compose d of plasmas and dielectric structures (or vacuum). In this paper, the piecewise linear current density recursive convolution (PLCDRC) finite-difference time-do main (FDTD) method is applied to study the plasma photonic crystals and those co ntaining defects. In time-domain, the electromagnetic(EM) propagation process an d reflection/transmission electric field of Gauss pulses passing through the pla sma photonic crystals are investigated. In frequency-domain, the reflection and transmission coefficients of the pulses through the two kinds of crystals are co mputed. The results illustrate that the plasma photonic crystals mostly reflect for the EM wave of frequencies less than the plasma frequency, and mostly transm it for EM wave of frequencies higher than the plasma frequency. In high frequenc y domain, the plasma photonic crystals have photonic band gaps, which is analogo us to the conventional photonic crystals.

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